I do have the PPK already, which did improve on the stock sound, now i'm excited to take it a bit further. Just waiting a few weeks for the weather to improve
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2011 E82 N55 135i
///M Sport • 6MT • Crimson Red/Black Boston Leather
BMW PPK• BMW PE • BMW Aero Kit • Blacklines • Arc 8's • VRSF Charge Pipe • B12 Pro-kit
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